2000 $1 Proclamation Coins of Australia 1oz Silver Proof CoinIn November 1800, the Governor of New South Wales issued a proclamation which attempted to standardise the value of the colonys copper, silver, and gold coins. Originating from countries far and wide, these coins have become known as Proclamation Coin of Australia, representing the first series of Australian collectable coins. The reverse design was sculpted by Wojciech Pietranik based on the original design of the 1797 British Penny.